Daewoo DWP-28W2ZZF Service Manual download pdf (Page 60)

Appendix Service manual WP-795

- 33 -

2-8 Power supply (STR F6653)

2-8 -1 STR-F6653 general description

The STR-F6653 is an hybrid IC with a build-in MOSFET and control IC, designed for flyback converter

type switch mode power supply applications.

2-8 -2Power supply primary part operations

An oscillator generates pulses signals which turn on and off a MOSFET transistor.

2-8

-2-1 Start -up circuit: V

The start-up circuit is used to start and stop the operation of the control IC, by detecting a voltage

appearing at V

pin (pin 4).

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Daewoo DWP-28W2ZZF Service Manual Page 60